Rh factor test

/ˈɑːɹ ˈeɪtʃ fˈaktə tˈɛst/

/ˈɑːɹ ˈeɪtʃ fˈæktɚ tˈɛst/

Rh factor test

a blood test that determines an individual's blood type and Rh factor status, which can impact pregnancy and transfusion compatibility